'use strict'; const types = require('../../tokenizer/types.cjs'); const name = 'Nth'; const structure = { nth: ['AnPlusB', 'Identifier'], selector: ['SelectorList', null] }; function parse() { this.skipSC(); const start = this.tokenStart; let end = start; let selector = null; let nth; if (this.lookupValue(0, 'odd') || this.lookupValue(0, 'even')) { nth = this.Identifier(); } else { nth = this.AnPlusB(); } end = this.tokenStart; this.skipSC(); if (this.lookupValue(0, 'of')) { this.next(); selector = this.SelectorList(); end = this.tokenStart; } return { type: 'Nth', loc: this.getLocation(start, end), nth, selector }; } function generate(node) { this.node(node.nth); if (node.selector !== null) { this.token(types.Ident, 'of'); this.node(node.selector); } } exports.generate = generate; exports.name = name; exports.parse = parse; exports.structure = structure;